SIM CARD PROBLEM
I AM TEACHING ONLINE AND USING A LOT OF BANDWIDTH SO I HAVE BEEN USING THE 200GB 15 DAY SIM CARDS.OFTEN MY PLAN DROPS ME TO 3G WHITHIN THE 15 DAY PERIOD IF USE THE BANDWIDTH.I WAS HALF WAY THROUGH A CLASS AT MIDNIGHT ON MONDAY MY SIM DROPPED ME TO 3G...